package com.cat.adapter.class_adapter;

import java.io.StringReader;

/**
 * @author cat
 * @version 2025/5/21 10:07
 * @description 计算机类
 * @since JDK17
 */

public class Computer {
    public String readSD(SDCard sdCard) {
        if (sdCard == null) {
            throw new NullPointerException("SDCard is not null");
        }
        return sdCard.readSD();
    }



}
